GR >> AT27C256R-90TI 
89373
AT27C256R-90TI
Atmel
Quantity 20000
Packaging IC OTP 256KBIT 90NS 28TSOP
Description original&Quality new original
554213
AT27C256R-90TI
Microchip Technology
Quantity 9000
Packaging IC OTP 256KBIT 90NS 28TSOP
Description original&Quality new original